| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] possible [verb] | 973 |
|
| 2 | it is [adv] possible [verb] | 575 |
|
| 3 | it is often [adj] [verb] | 214 |
|
| 4 | it is often [adj] [verb] | 189 |
|
| 5 | it [be] often possible [verb] | 41 |
|
| 6 | it [is] often possible [verb] | 41 |
|
| 7 | it be often possible [verb] | 41 |
|
| 8 | it is often possible [verb] | 39 |
|
| 9 | [pron] is often possible [verb] | 39 |
|
| 10 | it is often possible [verb] | 39 |
|
